WordReference Random House Unabridged Dictionary of American English © 2025
-ulous,
- a suffix occurring in adjectives borrowed from Latin, with the meaning "inclined to do, habitually engaging in'' the action specified by the initial element:bibulous; garrulous;tremulous.
- Latin -ulus, -ula, -ulum; see -ule, -ous
'-ulous' also found in these entries (note: many are not synonyms or translations):
acidulous
- bibulous
- edentulous
- emulous
- garrulous
- globular
- hamulus
- hirsutulous
- hispidulous
- hypermiraculous
- hyperridiculous
- miraculous fruit
- monticule
- nonbibulous
- noncredulous
- nonemulous
- nonmiraculous
- nonnebulous
- nonpopulous
- overcredulous
- overpopulous
- patulous
- pendulous
- pseudomiraculous
- quasi-miraculous
- quasi-nebulous
- quasi-ridiculous
- querulous
- stridulous
- subacidulous
- subnodulous
- tintinnabular
- unbibulous
- uncredulous
- unemulous
- unfabulous
- unmeticulous
- unmiraculous
- unpopulous
- unquerulous
- unridiculous
- unsedulous
- unstridulous
- untremulous